XCON: P1 Headers Containing Very Long Object IDs Cause the MTA to Crash

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This article was previously published under Q231818

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SYMPTOMS

When an X.400 message is received by the Message Transfer Agent (MTA) where the P1 header contains very long object IDs (OIDs) (greater than 32 bytes), the MTA will crash.

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To resolve this problem, obtain the latest service pack for Exchange Server version 5.5. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

191014 (http://support.microsoft.com/kb/191014/EN-US/ ) XGEN: How to Obtain the Latest Exchange Server 5.5 Service Pack

The English version of this fix should have the following file attributes or later:

Component: MTA

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File name	Version
Address.dll	5.5.2596.0
Dbserver.sch	N/A
Dcprods.cat	N/A
Ems_rid.dll	5.5.2596.0
Emsmta.exe	5.5.2596.0
Info4log.cfg	N/A
Infoblog.cfg	N/A
Infodlog.cfg	N/A
Infollog.cfg	N/A
Infoplog.cfg	N/A
Infotlog.cfg	N/A
Mmiext.dll	5.5.2596.0
Mtacheck.exe	5.5.2596.0
Mtamsg.dll	5.5.2596.0
P2.xv2	N/A
X400om.dll	5.5.2596.0
X400omv1.dll	5.5.2596.0

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STATUS

Microsoft has confirmed that this is a problem in Microsoft Exchange Server version 5.5. This problem was first corrected in Exchange Server 5.5 Service Pack 3.

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APPLIES TO

Microsoft Exchange Server 5.5 Standard Edition

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kbbug kbfix kbqfe KB231818

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Retired KB Content Disclaimer

This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.

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